
.middle > div {

    border: 1px solid gray;

}

.content {
    border-top: 1px solid gray;
    padding: 10px;
}

.content > div:nth-child(1) > div {
    line-height: 30px;
    text-indent: 3em;
    margin: 10px 0 20px 0;
    font-family: 楷体;
    font-size: 20px;
}

.content > div:nth-child(2) {
    overflow: hidden;
}

.lunbo {
    display: flex;

    /*position: relative;*/
    animation-name: myLunbo;
    animation-duration: 4s;
    animation-direction: alternate;
    animation-iteration-count: infinite;
}

@keyframes myLunbo {
    0% {
        /*background-color: red;*/
        margin-left: 0px;
        /*top: 0px;*/
    }
    100% {
        /*background-color: red;*/
        margin-left: -500px;
        /*top: 0px;*/
    }
}

.lunbo > div {
    margin: 10px;
    text-align: center;
}

.lunbo > div > div:nth-child(1) {
    width: 150px;
    height: 150px;
}

.lunbo > div > div:nth-child(1) img {
    width: 100%;
    height: 100%;
}